diff --git a/dev-python/pycparser/pycparser-2.16.ebuild b/dev-python/pycparser/pycparser-2.16-r1.ebuild
similarity index 88%
rename from dev-python/pycparser/pycparser-2.16.ebuild
rename to dev-python/pycparser/pycparser-2.16-r1.ebuild
index d626ba12ae3b9..800fc5a15b7a8 100644
--- a/dev-python/pycparser/pycparser-2.16.ebuild
+++ b/dev-python/pycparser/pycparser-2.16-r1.ebuild
@@ -22,6 +22,12 @@ DEPEND="${RDEPEND}
 	dev-python/setuptools[${PYTHON_USEDEP}]
 	test? ( dev-python/nose[${PYTHON_USEDEP}] )"
 
+python_prepare_all() {
+	# Bad permissions in tarball
+	chmod -R g+rX,o+rX "${S}" || die
+	distutils-r1_python_prepare_all
+}
+
 python_compile() {
 	distutils-r1_python_compile
 	pushd "${BUILD_DIR}/lib/pycparser" > /dev/null || die